Survey Identifier: V3309
Format Acronym: MGD77
Data Center File Number: 01030209
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): W. BROECKER
Project: CRUISE 33, LEG 09
Funding: (SEE ADD DOC / 19)
Survey Departure Date (yyyymmdd): 19760725
Port of Departure: SINGAPORE, SINGAPORE
Survey Arrival Date (yyyymmdd): 19760823
Port of Arrival: KEELUNG, TAIWAN
Navigation Instrumentation: SATELLITE/ SEXTANT
Geodetic Datum/Position: SATELLITE/ DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD DOC / 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: GRAF-ASKANIA GSS2-12
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IW-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO,2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +25
Bottommost Latitude: -09
Leftmost Longitude: +104
Rightmost Longitude: +129
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 060
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO PTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP, GA27281, GA3463, GX2867, GA17122
Number of Data Records: 6862
Min/Max Data Record:
Date: 1976 07 25
Latitude: -8.06280
Longitude: +104.49170
Bathymetry, 2- Way Traveltime: 000275
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 388410
Magnetics Residual Field: -05310
Free-Air Anomaly: -2474
Min/Max Data Record:
Date: 1976 08 23
Latitude: +24.81330
Longitude: +128.53430
Bathymetry, 2- Way Traveltime: 109375
Bathymetry, Corrected Depth: 8379.0
Magnetics Total Field, 1st Sensor: 446430
Magnetics Residual Field: +05330
Free-Air Anomaly: +1509